Home / 13,753.19-18,979.49-7,465.56

Finding the Fourth Proportional to 13,753.19, 18,979.49 and 7,465.56

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Solution

The fourth proportional to 13,753.19, 18,979.49 and 7,465.56 is: 10,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.19 : 18,979.49 = 7,465.56 : x
  2. Step 2: Convert to fraction form
    13,753.19/18,979.49 = 7,465.56/x
  3. Step 3: Cross multiply
    13,753.19x = 18,979.49 × 7,465.56
  4. Step 4: Simplify right side
    13,753.19x = 141,692,540.03
  5. Step 5: Solve for x
    x = 141,692,540.03/13,753.19
  6. Step 6: Final answer
    x = 10,302.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.